boning and shapes Flashcards
1
Q
how many times do 1A bond
A
1
2
Q
How many times do 3A bond
A
3
3
Q
How many times do 5A bond
A
3
4
Q
what do you always do when its an ion
A
put brackets around it
5
Q
The Lewis dot diagrams are used only for…
A
molecules
6
Q
what is the first step in drawing dot diagram
A
count number of valence electrons
7
Q
how do you know what the central atom is?
A
it has the most bonds
8
Q
What is the last step in drawing dot diagram?
A
complete the octets
9
Q
what does the VSEPR theory state
A
molecules adjust shape to decrease electron repulsion.
10
Q
how many bonding pairs are in linear
A
2
11
Q
how many bonding in trigonal planar
A
3
12
Q
how many bonding in tetrahedral
A
4
13
Q
how many bonding in trigonal pyramidal
A
3 bonding, 1 nonbonding
14
Q
how many bonding in bent
A
2 bonding, 2 nonbonding
15
Q
how many bonding in trigonal bipyramidal
A
5
